/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package mx.itschapala.dsw2.Bitacora.listener;


import javax.faces.application.NavigationHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Raven
 */
public class ValidadorSesion implements PhaseListener{

    @Override
    public void afterPhase(PhaseEvent event) {
FacesContext fc=event.getFacesContext();
UIViewRoot viewRoot=fc.getViewRoot();
if(viewRoot !=null && !viewRoot.getViewId().equalsIgnoreCase("/PaginaPrincipal.xhtml"))
{
HttpSession session=(HttpSession) fc.getExternalContext().getSession(false);
if(session==null|| session.getAttribute("USUARIO_LOGUEADO")==null)
{
NavigationHandler nh=fc.getApplication().getNavigationHandler();
nh.handleNavigation(fc, null, "Carros");
fc.renderResponse();
}
}
    }

    @Override
    public void beforePhase(PhaseEvent event) {

    }

    @Override
    public PhaseId getPhaseId() {
      return PhaseId.RESTORE_VIEW;
    }
    
}
